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Exchange Rates, Equity Prices and Capital Flows

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  • Hau, Harald
  • Rey, Hélène

Abstract

We develop an equilibrium model in which exchange rates, stock prices and capital flows are jointly determined under incomplete forex risk trading. Incomplete hedging of forex risk, documented for US global mutual funds, has three important implications: 1) exchange rates are almost as volatile as equity prices when the forex liquidity supply is not infinitely price elastic; 2) higher returns in the home equity market relative to the foreign equity market are associated with a home currency depreciation; 3) net equity flows into the foreign market are positively correlated with a foreign currency appreciation. The model predictions are strongly supported at daily, monthly and quarterly frequencies for 17 OECD countries vis-à-vis the US Moreover, correlations are strongest after 1990 and for countries with higher market capitalization relative to GDP, suggesting that the observed exchange rate dynamics is indeed related to equity market development.

Suggested Citation

  • Hau, Harald & Rey, Hélène, 2003. "Exchange Rates, Equity Prices and Capital Flows," CEPR Discussion Papers 3735, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:3735
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    More about this item

    Keywords

    capital flows; equity flows; forex hedging; market incompleteness;

    JEL classification:

    • F30 - International Economics - - International Finance - - - General
    • F31 - International Economics - - International Finance - - - Foreign Exchange
    • G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets

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